From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Stanislav Kinsbursky
<skinsbursky-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Cc: Trond Myklebust
<trond.myklebust-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>,
Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Viro Alexander
<viro-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>,
Linux NFS Mailing List
<linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Devel FS Linux
<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Torvalds Linus
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Eric Biederman <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH 00/11] [RFC] repair net namespace damage to rpc_pipefs
Date: Mon, 2 Dec 2013 07:36:54 -0800 [thread overview]
Message-ID: <20131202153654.GB2804@infradead.org> (raw)
In-Reply-To: <529C982B.2030906-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
On Mon, Dec 02, 2013 at 06:24:43PM +0400, Stanislav Kinsbursky wrote:
> I'm sorry, guys, if I'm missing the point.
> But there was the reason, why all this notifier infrastructure was introduced:
And the reason is that you're a lazy bastard who let's others clean up
the poo your sprinkle over the tree, and that the maintainers weren't
strict enought to reject that massive pile of junk, which unfortunately
is the common theme in current Linux development.
>
> "RPC pipefs mount can't be performed in kernel context since new super block
> will holds networks namespace reference and it's impossible to recognize, when
> and how we have to release this mount point."
>
> https://lkml.org/lkml/2011/10/17/123
>
> Circumstances has changed and now all this can be fixed much simplier?
As Al pointed our an easy workaround is easily available, and he's also
asked you about exact namespace semantics to be provided so we can
possibly find a less bad option.
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next prev parent reply other threads:[~2013-12-02 15:36 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-01 13:14 [PATCH 00/11] [RFC] repair net namespace damage to rpc_pipefs Christoph Hellwig
2013-12-01 13:14 ` [PATCH 01/11] sunrpc: allocate pipefs inodes using kmalloc Christoph Hellwig
[not found] ` <20131201132009.815675002-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>
2013-12-01 14:26 ` Jeff Layton
2013-12-01 13:14 ` [PATCH 02/11] rpc_pipefs: always mount on net namespace initialization Christoph Hellwig
2013-12-01 15:24 ` Jeff Layton
2013-12-01 13:14 ` [PATCH 03/11] sunrpc: remove the rpc_clients_block notifier Christoph Hellwig
2013-12-01 15:25 ` Jeff Layton
2013-12-01 13:14 ` [PATCH 04/11] sunrpc: no need to have a lock or superblock for rpc_unlink Christoph Hellwig
2013-12-01 13:14 ` [PATCH 05/11] sunprc: add sensible pipe creation and removal helpers Christoph Hellwig
2013-12-01 13:14 ` [PATCH 06/11] sunrpc: clean up rpc_pipefs client dir creation Christoph Hellwig
2013-12-01 13:14 ` [PATCH 07/11] sunrpc: make rpc_mkdir_populate net-namespace aware Christoph Hellwig
2013-12-01 13:14 ` [PATCH 08/11] sunrpc: rpc_get_sb_net, die, die, die Christoph Hellwig
2013-12-01 13:14 ` [PATCH 09/11] nfs: convert idmapper to rpc_mkpipe_clnt Christoph Hellwig
2013-12-01 13:14 ` [PATCH 10/11] auth_gss: convert " Christoph Hellwig
2013-12-01 13:14 ` [PATCH 11/11] sunrpc: rpc_pipefs cleanup Christoph Hellwig
[not found] ` <20131201131441.790963326-PfSpb0PWhxZc2C7mugBRk2EX/6BAtgUQ@public.gmane.org>
2013-12-01 14:36 ` [PATCH 00/11] [RFC] repair net namespace damage to rpc_pipefs Jeff Layton
2013-12-01 15:44 ` Jeff Layton
2013-12-01 15:57 ` Jeff Layton
2013-12-01 18:13 ` Al Viro
[not found] ` <20131201181329.GC10323-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2013-12-02 8:12 ` Christoph Hellwig
2013-12-02 13:44 ` Trond Myklebust
2013-12-02 14:24 ` Stanislav Kinsbursky
[not found] ` <529C982B.2030906-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-12-02 15:36 ` Christoph Hellwig [this message]
2013-12-02 15:58 ` Trond Myklebust
[not found] ` <5872AE74-DF03-42E2-A21B-F8E35634CD1D-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>
2013-12-03 7:24 ` Stanislav Kinsbursky
[not found] ` <3C65EB4C-6592-44F8-B08D-E5A9EFD6C8C6-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>
2013-12-02 15:34 ` Christoph Hellwig
[not found] ` <20131202153435.GA2804-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2013-12-02 16:00 ` Trond Myklebust
[not found] ` <BCED1826-0743-4420-AD45-B38D67EF3D99-7I+n7zu2hftEKMMhf/gKZA@public.gmane.org>
2013-12-02 16:27 ` Christoph Hellwig
[not found] ` <20131202162716.GA17417-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2013-12-02 16:46 ` Trond Myklebust
2013-12-02 16:33 ` Jeff Layton
2013-12-02 16:37 ` J. Bruce Fields
2013-12-02 16:45 ` Jeff Layton
2013-12-02 15:57 ` Al Viro
2013-12-02 16:04 ` Trond Myklebust
2013-12-03 2:11 ` [RFC] alloc_pid() breakage Al Viro
2013-12-02 7:23 ` [PATCH 00/11] [RFC] repair net namespace damage to rpc_pipefs Stanislav Kinsbursky
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